Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, drive_type: HEX HEAD OR SCREW SLOT OR SERRATED, design_type: THREADED, thread_class: 2A A, overall_diameter: 0.580 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN, features_provided: SHOULDER. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-138-2170, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
NAS838
NSN:5340-01-138-2170 FSC:5340 CAGE:80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
material
PLASTIC
drive_type
HEX HEAD OR SCREW SLOT OR SERRATED
design_type
THREADED
thread_class
2A A
overall_diameter
0.580 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
features_provided
SHOULDER
material_document_and_classification
L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator
1/2-20 UNF
NSN
5340-01-138-2170
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: PLASTIC
•
FEATURES PROVIDED: SHOULDER
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.062-12 UN
•
OVERALL DIAMETER: 1.270 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
DRIVE TYPE: SCREW SLOT
•
DESIGN TYPE: THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL
PLASTIC
FEATURES PROVIDED
SHOULDER
THREAD SIZE AND SERIES/TYPE DESIGNATOR
1.062-12 UN
OVERALL DIAMETER
1.270 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
THREAD CLASS
2A A
DRIVE TYPE
SCREW SLOT
DESIGN TYPE
THREADED
MATERIAL DOCUMENT AND CLASSIFICATION
L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
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FREQUENTLY ASKED QUESTIONS
What is NAS838?
NAS838 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS838?
There are 20 known substitutes for NAS838: NAS847, MIL-C-5501/7, M5501/7-F24 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS838?
NAS838 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-138-2170. This indicates validated use in U.S. government and defense supply chains.
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